Rosen has been recalled from Rochester (AHL).
Rosen made his NHL debut last season, playing seven games with the Sabres, but has predominantly been an AHL player, including scoring 13 points (4G / 9A) in 14 games with the Rochester Americans this season. The 21-year-old Rosen was the 14th overall pick of the Sabres in the 2021 NHL Entry Draft.